Phylogeny and Cladistics
Introduces classifications where organisms are grouped based on shared characteristics that come from the group's last common ancestor.
Biology
Evolution
antipodal_mystery.pdf
Community Contributed
This lesson has an introduction, an activity and scientific inquiry. This case study about classifying the platypus models the scientific process, with scientists arguing, debating, collecting more evidence, and revising their opinions as new data become available.
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